blog.golang.org/strings
1、
const nihongo = "日本語" for index, runeValue := range nihongo { fmt.Printf("%#U starts at byte position %d\n", runeValue, index) }
2、const nihongo = "日本語"
for i, w := 0, 0; i < len(nihonggo); i+=w {
runeValue, width := utf8.DecodeRuneInString(nihonggo[i:])
fmt.Printf("%#U starts at byte position %d\n", runeValue, i)
w = width
}
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